{"api_version":"1","generated_at":"2026-07-23T09:36:03+00:00","cve":"CVE-2017-2312","urls":{"html":"https://cve.report/CVE-2017-2312","api":"https://cve.report/api/cve/CVE-2017-2312.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2017-2312","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-2312"},"summary":{"title":"CVE-2017-2312","description":"On Juniper Networks devices running Junos OS affected versions and with LDP enabled, a specific LDP packet destined to the RE (Routing Engine) will consume a small amount of the memory allocated for the rpd (routing protocol daemon) process. Over time, repeatedly receiving this type of LDP packet(s) will cause the memory to exhaust and the rpd process to crash and restart. It is not possible to free up the memory that has been consumed without restarting the rpd process. This issue affects Junos OS based devices with either IPv4 or IPv6 LDP enabled via the [protocols ldp] configuration (the native IPv6 support for LDP is available in Junos OS 16.1 and higher). The interface on which the packet arrives needs to have LDP enabled. The affected Junos versions are: 13.3 prior to 13.3R10; 14.1 prior to 14.1R8; 14.2 prior to 14.2R7-S6 or 14.2R8; 15.1 prior to 15.1F2-S14, 15.1F6-S4, 15.1F7, 15.1R4-S7, 15.1R5; 15.1X49 before 15.1X49-D70; 15.1X53 before 15.1X53-D230, 15.1X53-D63, 15.1X53-D70; 16.1 before 16.1R2. 16.2R1 and all subsequent releases have a resolution for this vulnerability.","state":"PUBLISHED","assigner":"juniper","published_at":"2017-04-24 15:59:00","updated_at":"2025-04-20 01:37:25"},"problem_types":["CWE-772","denial of service vulnerability due to memory leak"],"metrics":[{"version":"3.0","source":"nvd@nist.gov","type":"Primary","score":"6.5","severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"6.8","severity":"","vector":"AV:N/AC:L/Au:S/C:N/I:N/A:C","data":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:N/I:N/A:C","baseScore":6.8,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE"}}],"references":[{"url":"https://kb.juniper.net/JSA10777","name":"https://kb.juniper.net/JSA10777","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mitigation","Vendor Advisory"],"title":"2017-04 Security Bulletin: Junos: Crafted LDP packets cause a memory leak that could lead to rpd crash (CVE-2017-2312) - Juniper Networks","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securityfocus.com/bid/97611","name":"http://www.securityfocus.com/bid/97611","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"],"title":"Juniper Junos CVE-2017-2312 Denial of Service Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"http://www.securitytracker.com/id/1038252","name":"http://www.securitytracker.com/id/1038252","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"Juniper Junos LDP Packet Processing Memory Leak Lets Remote Users Cause the Target rpd Service to Crash - SecurityTracker","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-2312","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-2312","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS with LDP enabled","version":"affected 13.3 prior to 13.3R10","platforms":[]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS with LDP enabled","version":"affected 14.1 prior to 14.1R8","platforms":[]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS with LDP enabled","version":"affected 14.2 prior to 14.2R7-S6 or 14.2R8","platforms":[]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS with LDP enabled","version":"affected 15.1 prior to 15.1F2-S14, 15.1F6-S4, 15.1F7, 15.1R4-S7, 15.1R5","platforms":[]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS with LDP enabled","version":"affected 15.1X49 before 15.1X49-D70","platforms":[]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS with LDP enabled","version":"affected 15.1X53 before 15.1X53-D230, 15.1X53-D63, 15.1X53-D70","platforms":[]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS with LDP enabled","version":"affected 16.1 before 16.1R2","platforms":[]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS with LDP enabled","version":"affected 16.2R1 and all subsequent releases have a resolution for this 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Program Container"}],"cna":{"affected":[{"product":"Junos OS with LDP enabled","vendor":"Juniper Networks","versions":[{"status":"affected","version":"13.3 prior to 13.3R10"},{"status":"affected","version":"14.1 prior to 14.1R8"},{"status":"affected","version":"14.2 prior to 14.2R7-S6 or 14.2R8"},{"status":"affected","version":"15.1 prior to 15.1F2-S14, 15.1F6-S4, 15.1F7, 15.1R4-S7, 15.1R5"},{"status":"affected","version":"15.1X49 before 15.1X49-D70"},{"status":"affected","version":"15.1X53 before 15.1X53-D230, 15.1X53-D63, 15.1X53-D70"},{"status":"affected","version":"16.1 before 16.1R2"},{"status":"affected","version":"16.2R1 and all subsequent releases have a resolution for this vulnerability"}]}],"datePublic":"2017-04-12T00:00:00.000Z","descriptions":[{"lang":"en","value":"On Juniper Networks devices running Junos OS affected versions and with LDP enabled, a specific LDP packet destined to the RE (Routing Engine) will consume a small amount of the memory allocated for the rpd (routing protocol daemon) process. Over time, repeatedly receiving this type of LDP packet(s) will cause the memory to exhaust and the rpd process to crash and restart. It is not possible to free up the memory that has been consumed without restarting the rpd process. This issue affects Junos OS based devices with either IPv4 or IPv6 LDP enabled via the [protocols ldp] configuration (the native IPv6 support for LDP is available in Junos OS 16.1 and higher). The interface on which the packet arrives needs to have LDP enabled. 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The affected Junos versions are: 13.3 prior to 13.3R10; 14.1 prior to 14.1R8; 14.2 prior to 14.2R7-S6 or 14.2R8; 15.1 prior to 15.1F2-S14, 15.1F6-S4, 15.1F7, 15.1R4-S7, 15.1R5; 15.1X49 before 15.1X49-D70; 15.1X53 before 15.1X53-D230, 15.1X53-D63, 15.1X53-D70; 16.1 before 16.1R2. 16.2R1 and all subsequent releases have a resolution for this vulnerability."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"denial of service vulnerability due to memory 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Juniper Networks devices running Junos OS affected versions and with LDP enabled, a specific LDP packet destined to the RE (Routing Engine) will consume a small amount of the memory allocated for the rpd (routing protocol daemon) process. Over time, repeatedly receiving this type of LDP packet(s) will cause the memory to exhaust and the rpd process to crash and restart. It is not possible to free up the memory that has been consumed without restarting the rpd process. This issue affects Junos OS based devices with either IPv4 or IPv6 LDP enabled via the [protocols ldp] configuration (the native IPv6 support for LDP is available in Junos OS 16.1 and higher). The interface on which the packet arrives needs to have LDP enabled. The affected Junos versions are: 13.3 prior to 13.3R10; 14.1 prior to 14.1R8; 14.2 prior to 14.2R7-S6 or 14.2R8; 15.1 prior to 15.1F2-S14, 15.1F6-S4, 15.1F7, 15.1R4-S7, 15.1R5; 15.1X49 before 15.1X49-D70; 15.1X53 before 15.1X53-D230, 15.1X53-D63, 15.1X53-D70; 16.1 before 16.1R2. 16.2R1 and all subsequent releases have a resolution for this vulnerability.","Type":"Description","Title":"CVE-2017-2312"},{"CveYear":"2017","CveId":"2312","Ordinal":"2","NoteData":"2017-04-24","Type":"Other","Title":"Published"},{"CveYear":"2017","CveId":"2312","Ordinal":"3","NoteData":"2017-07-10","Type":"Other","Title":"Modified"}]}}}